An umbrella is useful in a mild rain, but when it rains cats and dogs an umbrella is of little help.
小雨のときは、傘は役に立つが、土砂降りのときは、ほとんど役に立たない。
The teacher told me to stand up.
先生は私に、立つように言った。
She gave us some useful information.
彼女は私たちに役に立つ情報をくれました。
This book should help you a lot.
この本は大いに君の役に立つはずだ。
Personal computers are of great use.
パソコンはとても役に立つ。
Whichever you may choose, it will do you a lot of good.
どちらを選んでも、それは大いに役立つでしょう。
That is a useful piece of information.
それは役に立つ１つの情報です。
The market is held every Monday.
市は月曜ごとに立つ。
Personal computers are very useful.
パソコンはとても役に立つ。
An essential condition for a helpful interview is a quiet room in which doctor and parents can sit comfortably and in private without being interrupted.
This is a map which will be useful when traveling by car.
これは車で旅行するのに役立つ地図だ。
A fowl flying up from water is careful not to make it turbid.
水面から飛び立つ鳥は努めてあとを濁さぬようにする。
This book is much more useful than that one.
この本の方があの本よりずっと役立つ。
Salt helps to preserve food from decay.
塩は食べ物を腐らせず長持ちさせるのに役立つ。
Oh my, leaving the table in the middle of meal is bad manners, you know.
おやおや、食事の途中に席を立つとはマナーに反しますね。
Dozens of male and female students were drawing a lone, completely nude male model standing on a platform.
男女数十人の研究生が、モデル台に立つた一人の男を――丸裸の男を写生してゐた。
Their plane will soon take off.
彼らの飛行機はまもなく飛び立つ。
A ruler helps one to draw a straight line.
定規は直線を引くのに役立つ。
What is the use of reading magazines?
雑誌なんか読んで何の役に立つというのか。
It is needless to say that an experienced person will do better than someone without experience.
経験のあるもののほうがない者よりも役に立つのはいまさら言うまでもない。
What good will that do?
それが何の役に立つんだ。
If we see any utility in a plant, we help it to grow.
私たちはある植物が役立つ事が分かればそれが成長するのを助ける。
This should help.
役に立つでしょう。
Every little bit helps.
どんなに少しでもすべて役に立つ。
This is a good exercise to help you lose weight.
これはあなたがやせるのに役立つ適切な運動です。
This just might come in handy someday.
これはいつか役に立つかもしれない。
This dictionary is of great use.
この辞書はすごく役に立つ。
This dictionary is of great use for students.
この辞書は学生に非常に役に立つ。
I would love to come with you all, but I don't have any money.
私だって是非とも君達皆と一緒に行きたいんだが、先立つ物が無いんだよ。
Their rude behavior makes me angry.
彼らの失礼な態度には腹が立つ。
Soap helps remove the dirt.
石けんは泥を落とすのに役立つ。
The talented young chess player is very bold. He deliberately lays himself open to attack, makes himself vulnerable and then checkmates his opponent when least expected.
